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Flow Chart of Troubleshooting
9-6. Speaker Part(Melody)
Speaker does not work
Is the terminal of speaker
Check STEREO_OUT_L,R
HI_MONO_OUT_P,N
LO_MONO_OUT_P,N
OK?
Yes
Check the
SPK+ & SPK-
"HIGH"
Yes
Yes
Change speaker
Is it works?
Yes
END
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No
check the specker
No
Resolder SPK+ (L402)
No
check the element related
No
Resolder of replace U400
9-14
SPK- (L403)
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